# -*- coding: utf-8 -*-
from __future__ import absolute_import, print_function, unicode_literals

import re
# see https://gist.github.com/dperini/729294
URL_REGEX = re.compile(
    # protocol identifier
    "(?:(?:https?|ftp)://)"
    # user:pass authentication
    "(?:\S+(?::\S*)?@)?"
    "(?:"
    # IP address exclusion
    # private & local networks
    "(?!(?:10|127)(?:\.\d{1,3}){3})"
    "(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})"
    "(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})"
    # IP address dotted notation octets
    # excludes loopback network 0.0.0.0
    # excludes reserved space >= 224.0.0.0
    # excludes network & broadcast addresses
    # (first & last IP address of each class)
    "(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])"
    "(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}"
    "(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))"
    "|"
    # host name
    "(?:(?:[a-z\u00a1-\uffff0-9]-?)*[a-z\u00a1-\uffff0-9]+)"
    # domain name
    "(?:\.(?:[a-z\u00a1-\uffff0-9]-?)*[a-z\u00a1-\uffff0-9]+)*"
    # TLD identifier
    "(?:\.(?:[a-z\u00a1-\uffff]{2,}))"
    ")"
    # port number
    "(?::\d{2,5})?"
    # resource path
    "(?:/\S*)?",
    re.UNICODE)

HASH_REGEX = r"--hash[=| ][\w]+:[\w]+"